code: def setUp(self):
      super().setUp()
      torch.set_rng_state(torch.manual_seed(42).get_state())
  
file_path: pytorchvideo/tests/test_losses_soft_target_cross_entropy.py
imports: import itertools
  import unittest
  import torch
  import torch.nn.functional
  from pytorchvideo.losses.soft_target_cross_entropy import SoftTargetCrossEntropyLoss
label_desc: Use image node_id 1 for calling the TestSoftTargetCrossEntropyLoss obj's underlying member method code with example usage: obj.setUp() without return types